#!/bin/bash

set -e

CONFIG_DIR="${CONFIG_DIR:-$HOME/.config/darktable-sync}"
BIN_DIR="${BIN_DIR:-$HOME/.local/bin}"
APPLICATIONS_DIR="${APPLICATIONS_DIR:-$HOME/.local/share/applications}"
SYSTEMD_USER_DIR="${SYSTEMD_USER_DIR:-$HOME/.config/systemd/user}"

if [[ -f "$CONFIG_DIR/.env" ]]; then
    # shellcheck source=/dev/null
    . "$CONFIG_DIR/.env"
fi

### Systemd deaktivieren

echo "Systemd-Services entfernen..."
systemctl --user disable --now darktable-sync.timer 2>/dev/null || true
systemctl --user disable --now darktable_sync.timer 2>/dev/null || true
systemctl --user daemon-reload

### Lockfile entfernen

LOCKFILE="/tmp/darktable_sync.sh.lock"
if [ -f "$LOCKFILE" ]; then
    echo "Lockfile entfernen: $LOCKFILE"
    rm -f "$LOCKFILE"
fi

### Aktiven Marker auf Server entfernen (best-effort)

if [[ -n "${SERVER_IP:-}" ]] && [[ -n "${SERVER_DB_DIR:-}" ]]; then
    if ssh -o ConnectTimeout=5 -o BatchMode=yes \
        -p "${SERVER_SSH_PORT:-22}" "${SERVER_USER:-$USER}@$SERVER_IP" true 2>/dev/null; then
        echo "Active-Marker auf Server entfernen..."
        ssh -o ConnectTimeout=5 -o BatchMode=yes \
            -p "${SERVER_SSH_PORT:-22}" "${SERVER_USER:-$USER}@$SERVER_IP" \
            "rm -f '$SERVER_DB_DIR/darktable.active'" 2>/dev/null || true
    fi
fi

### Installierte Dateien entfernen

echo "Installierte Dateien entfernen..."
rm -fv \
    "$BIN_DIR/darktable_common.sh" \
    "$BIN_DIR/darktable_sync.sh" \
    "$BIN_DIR/darktable_wrapper.sh" \
    "$APPLICATIONS_DIR/darktable-with-sync.desktop" \
    "$APPLICATIONS_DIR/darktable-sync-only.desktop" \
    "$SYSTEMD_USER_DIR/darktable-sync.service" \
    "$SYSTEMD_USER_DIR/darktable-sync.timer" \
    "$SYSTEMD_USER_DIR/darktable_sync.service" \
    "$SYSTEMD_USER_DIR/darktable_sync.timer"

### Config-Verzeichnis aufraumen

if [ -d "$CONFIG_DIR" ]; then
    read -r -p "Konfigurationsverzeichnis $CONFIG_DIR loeschen? [j/N] " ans
    if [[ "$ans" =~ ^[jJyY] ]]; then
        rm -rfv "$CONFIG_DIR"
        echo "Konfigurationsverzeichnis entfernt."
    else
        echo "Konfigurationsverzeichnis bleibt erhalten: $CONFIG_DIR"
    fi
fi

echo ""
echo "Deinstallation abgeschlossen."
echo "Die Darktable-Datenbank (~/.config/darktable/) bleibt unveraendert."